Skip to Content
Medical Term:


Pronunciation: het′ĕr-ō-plā′zē-ă


  1. Development of cytologic and histologic elements that are not normal for the organ or part in question, as the growth of bone in a site where there is normally fibrous connective tissue.
  2. Malposition of tissue or a part that is otherwise normal, as a ureter that develops at the lower pole of a kidney.

Synonym(s): alloplasia

[hetero- + G. plasis, a forming]